A newspaper polled 1,000 likely voters about which of the following issues, if any, played an important role in their decision-making process for an upcoming election: education, crime, and/or taxes. Of the voters surveyed, a total of 495 named education, 490 named crime, and 440 named taxes. In the figure above, the overlapping areas between two circles represent the people who named only those two items; the overlapping area between the three circles represents those people who named all three issues.

How many of the 1,000 people polled responded "none of the above" to the questions ？（）

A. 140

B. 110

C. 80

D. 20

E. 0

患者女，57岁，因“突发左侧肢体无力10min”来诊。查体：BP120/70mmHg，双肺呼吸音清，无啰音。HR116次/min，心律绝对不齐，各瓣膜听诊区未闻及杂音，腹平软，肝、脾未及。肢体皮温正常，左侧上、下肢肌力3级，右侧正常。

不宜常规应用的药物是（）

A.钙通道阻滞药

B.β-受体阻滞药

C.胺碘酮

D.华法林

E.多巴胺